DTC P338F-00: FC Air Compressor Inverter Overcurrent (System Performance) [11/2020 - 12/2022]: Procedure

Pre-procedure1

• None.

• Check for DTCs.

  Powertrain > EV > Trouble Codes 

  Result

  Result	Proceed to
  P338F-00 only is output, or DTCs except the ones in the tables below are also output.	A
  Any of the following DTCs including pending DTCs are also output.	B

  Malfunction Content	Relevant DTC
  Microcomputer malfunction	P0A1B-49	Drive Motor "A" Control Module Internal Electronic Failure
  	P0606-47	Hybrid/EV Powertrain Control Module Processor Watchdog / Safety MCU Failure
  	P0A1B-1F	Drive Motor "A" Control Module Circuit Intermittent
  	P1D8F-47	FC Air Compressor Motor Control Module Watchdog/Safety MCU Failure
  	P1D8F-49	FC Air Compressor Motor Control Module Internal Electronic Failure
  	P1D04-00	FC Air Compressor Motor Control Module A/D Processing Performance
  Power source circuit malfunction	P06D6-1C	Sensor Reference Voltage "F" Circuit/Open Circuit Voltage Out of Range
  	P06E6-1C	Sensor Power Supply "C" Circuit/Open Circuit Voltage Out of Range
  Communication system malfunction	P3123-87	Lost Communication with Drive Motor Control Module "A" from Hybrid/EV Control Module Missing Message
  	U0111-87	Lost Communication with Hybrid/EV Battery Energy Control Module "A" Missing Message
  	P1E3B-87	Communication Error from FC Air Compressor Motor to Drive Motor "A" Missing Message
  Sensor and actuator circuit malfunction	P0AD9-11	Hybrid/EV Battery Positive Contactor Circuit Short to Ground
  	P0AD9-15	Hybrid/EV Battery Positive Contactor Circuit Short to Auxiliary Battery or Open
  	P0ADD-11	Hybrid/EV Battery Negative Contactor Circuit Short to Ground
  	P0ADD-15	Hybrid/EV Battery Negative Contactor Circuit Short to Auxiliary Battery or Open
  	P0ABF-00	Hybrid/EV Battery Current Sensor "A" Circuit Range/Performance
  	P0D2D-16	Drive Motor "A" Inverter Voltage Sensor "A" Circuit Voltage Below Threshold
  	P0D2D-17	Drive Motor "A" Inverter Voltage Sensor "A" Circuit Voltage Above Threshold
  System malfunction	P0D2D-1C	Drive Motor "A" Inverter Voltage Sensor Voltage Out of Range
  	P1C83-49	High Voltage Power Resource Circuit Voltage Sensor after Boosting Malfunction
  	P0E31-1C	Boosting Converter Voltage Sensor "A" Voltage Out of Range
  	P3004-49	High Voltage Power Resource Circuit Short during Pre-Charge
  	P1C2D-62	Hybrid/EV Battery "A" Voltage Sensor/Boosting Converter Voltage Sensor "A" Signal Compare Failure
  	P0A1F-94	Hybrid/EV Battery Energy Control Module Unexpected Operation
  	P1CB6-9E	Drive Motor "A" Inverter Voltage Sensor(VH) Stuck On
  	P0CA3-00	DC/DC Converter Step Up Voltage Performance

  HINT: 

  • P338F-00 may be output as a result of the malfunction indicated by the DTCs above.
    1. The chart above is listed in inspection order of priority.
    2. Check DTCs that are output at the same time by following the listed order. (The main cause of the malfunction can be determined without performing unnecessary inspections.)

Post-procedure1

• Turn the ignition switch off.

Result: 

B 

GO TO DTC CHART (EV CONTROL SYSTEM). Refer To  DIAGNOSTIC TROUBLE CODE CHART [11/2020 - 12/2022] 

Result: 

A 

See step  2

Refer to PROCEDURE - Step 2

Result

Result: 

B 

CONNECT SECURELY 

Result: 

C 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

A 

See step  3

Refer to FC Air Compressor Resolver Circuit [11/2020 - 12/2022]

Result

Result: 

NEXT 

See step  4

Refer to FC Air Compressor High-voltage Circuit [11/2020 - 12/2022]

Result

Result: 

NEXT 

See step  5

Refer to Inverter Low-voltage Circuit [11/2020 - 12/2022]

Result

Result: 

NEXT 

REPLACE INVERTER WITH CONVERTER ASSEMBLY. Refer to  REMOVAL [11/2020 - 11/2021]  , or refer to  REMOVAL [11/2021 - 12/2022]